Physics crossword
Across
- 1. The rate at which electric energy is converted to other forms of energy, equal to the product of the current and the voltage drop.
- 2. a unit of energy equal to the work done by a power of 1000 watts operating for one hour
- 4. an electrical resistance of exactly zero which occurs in certain materials below a characteristic temperature
- 6. current An electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
- 8. current Electric current means, depending on the context, a flow of electric charge
- 10. The SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere
- 13. The SI base unit of electric current, equal to a flow of one coulomb per second.
- 14. The ability of all conductors of electricity to resist the flow of current, turning some of it into heat
- 16. A measure of the resisting power of a specified material to the flow of an electric current.
Down
- 1. The difference of electrical potential between two points.
- 3. potential The change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell.
- 4. drift speed slow drift
- 5. A container consisting of one or more cells carrying an electric charge and used as a source of power.
- 7. current a flow of electricity through a conductor; "the current was measured in amperes
- 9. the current through a conductor between two points is directly proportional to the potential difference
- 11. value known as the quadratic mean
- 12. The SI unit of power, equivalent to one joule per second, corresponding to the rate of energy in an electric circuit
- 15. current An electric current flowing in one direction only.